Search a number
-
+
12495371 = 72377611
BaseRepresentation
bin101111101010…
…101000001011
3212111211102112
4233222220023
511144322441
61123452535
7211131440
oct57525013
925454375
1012495371
117064a59
12422714b
132786615
1419339c7
15116c4eb
hexbeaa0b

12495371 has 8 divisors (see below), whose sum is σ = 14901504. Its totient is φ = 10244520.

The previous prime is 12495349. The next prime is 12495421. The reversal of 12495371 is 17359421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12495371 - 222 = 8301067 is a prime.

It is a super-2 number, since 2×124953712 = 312268592855282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12495311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38645 + ... + 38966.

It is an arithmetic number, because the mean of its divisors is an integer number (1862688).

Almost surely, 212495371 is an apocalyptic number.

12495371 is a deficient number, since it is larger than the sum of its proper divisors (2406133).

12495371 is an equidigital number, since it uses as much as digits as its factorization.

12495371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77641.

The product of its digits is 7560, while the sum is 32.

The square root of 12495371 is about 3534.8792058570. The cubic root of 12495371 is about 232.0507902573.

The spelling of 12495371 in words is "twelve million, four hundred ninety-five thousand, three hundred seventy-one".

Divisors: 1 7 23 161 77611 543277 1785053 12495371