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12409607 = 71772801
BaseRepresentation
bin101111010101…
…101100000111
3212100110210002
4233111230013
511134101412
61121551515
7210323420
oct57255407
925313702
1012409607
117006581
1241a559b
132756582
141910647
151151dc2
hexbd5b07

12409607 has 4 divisors (see below), whose sum is σ = 14182416. Its totient is φ = 10636800.

The previous prime is 12409601. The next prime is 12409613. The reversal of 12409607 is 70690421.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12409601) and next prime (12409613).

It is a cyclic number.

It is not a de Polignac number, because 12409607 - 218 = 12147463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12409607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12409601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886394 + ... + 886407.

It is an arithmetic number, because the mean of its divisors is an integer number (3545604).

Almost surely, 212409607 is an apocalyptic number.

12409607 is a deficient number, since it is larger than the sum of its proper divisors (1772809).

12409607 is an equidigital number, since it uses as much as digits as its factorization.

12409607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772808.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12409607 is about 3522.7272105572. The cubic root of 12409607 is about 231.5186649067.

The spelling of 12409607 in words is "twelve million, four hundred nine thousand, six hundred seven".

Divisors: 1 7 1772801 12409607