12902480 has 20 divisors (see below), whose sum is σ = 29998452. Its totient is φ = 5160960.

The previous prime is 12902437. The next prime is 12902489. The reversal of 12902480 is 8420921.

It can be written as a sum of positive squares in 2 ways, for example, as 4631104 + 8271376 = 2152^2 + 2876^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902489) 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, 80561 + ... + 80720.

Almost surely, 2^12902480 is an apocalyptic number.

12902480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12902480 is an abundant number, since it is smaller than the sum of its proper divisors (17095972).

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

12902480 is a wasteful number, since it uses less digits than its factorization.

12902480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161294 (or 161288 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12902480 is about 3592.0022271708. The cubic root of 12902480 is about 234.5440381739.

The spelling of 12902480 in words is "twelve million, nine hundred two thousand, four hundred eighty".