12962440 has 32 divisors (see below), whose sum is σ = 29278080. Its totient is φ = 5164992.

The previous prime is 12962431. The next prime is 12962471. The reversal of 12962440 is 4426921.

It is a junction number, because it is equal to n+sod(n) for n = 12962399 and 12962408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14239 + ... + 15121.

It is an arithmetic number, because the mean of its divisors is an integer number (914940).

Almost surely, 2^12962440 is an apocalyptic number.

12962440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12962440 is an abundant number, since it is smaller than the sum of its proper divisors (16315640).

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

12962440 is a wasteful number, since it uses less digits than its factorization.

12962440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12962440 is about 3600.3388729396. The cubic root of 12962440 is about 234.9067987134.

The spelling of 12962440 in words is "twelve million, nine hundred sixty-two thousand, four hundred forty".