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12690699 = 37604319
BaseRepresentation
bin110000011010…
…010100001011
3212212202100220
4300122110023
511222100244
61132001123
7212604060
oct60322413
925782326
1012690699
11718878a
1243001a3
1328244b8
141984c67
1511aa319
hexc1a50b

12690699 has 8 divisors (see below), whose sum is σ = 19338240. Its totient is φ = 7251816.

The previous prime is 12690697. The next prime is 12690731. The reversal of 12690699 is 99609621.

It is a happy number.

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

It is not a de Polignac number, because 12690699 - 21 = 12690697 is a prime.

It is a super-2 number, since 2×126906992 = 322107682217202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12690699.

It is not an unprimeable number, because it can be changed into a prime (12690697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302139 + ... + 302180.

It is an arithmetic number, because the mean of its divisors is an integer number (2417280).

Almost surely, 212690699 is an apocalyptic number.

12690699 is a deficient number, since it is larger than the sum of its proper divisors (6647541).

12690699 is an equidigital number, since it uses as much as digits as its factorization.

12690699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604329.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 12690699 is about 3562.4007354592. The cubic root of 12690699 is about 233.2536855139.

The spelling of 12690699 in words is "twelve million, six hundred ninety thousand, six hundred ninety-nine".

Divisors: 1 3 7 21 604319 1812957 4230233 12690699