12911202 has 12 divisors (see below), whose sum is σ = 27974310. Its totient is φ = 4303728.

The previous prime is 12911191. The next prime is 12911219. The reversal of 12911202 is 20211921.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 2277081 = 3261^2 + 1509^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 717289 = 12911202 / (1 + 2 + 9 + 1 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 358627 + ... + 358662.

Almost surely, 2^12911202 is an apocalyptic number.

12911202 is an abundant number, since it is smaller than the sum of its proper divisors (15063108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12911202 is a wasteful number, since it uses less digits than its factorization.

12911202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717297 (or 717294 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12911202 is about 3593.2161081683. The cubic root of 12911202 is about 234.5968763961.

The spelling of 12911202 in words is "twelve million, nine hundred eleven thousand, two hundred two".