12690948 has 12 divisors (see below), whose sum is σ = 29612240. Its totient is φ = 4230312.

The previous prime is 12690943. The next prime is 12690961. The reversal of 12690948 is 84909621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12690948² = 322120322277408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12690941) 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, 528778 + ... + 528801.

Almost surely, 2^12690948 is an apocalyptic number.

It is an amenable number.

12690948 is an abundant number, since it is smaller than the sum of its proper divisors (16921292).

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

12690948 is a wasteful number, since it uses less digits than its factorization.

12690948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057586 (or 1057584 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 12690948 is about 3562.4356836300. The cubic root of 12690948 is about 233.2552110350.

The spelling of 12690948 in words is "twelve million, six hundred ninety thousand, nine hundred forty-eight".