12880408 has 32 divisors (see below), whose sum is σ = 25434000. Its totient is φ = 6106240.

The previous prime is 12880393. The next prime is 12880409. The reversal of 12880408 is 80408821.

It is a self number, because there is not a number n which added to its sum of digits gives 12880408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880409) 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, 13218 + ... + 14158.

Almost surely, 2^12880408 is an apocalyptic number.

It is an amenable number.

12880408 is a deficient number, since it is larger than the sum of its proper divisors (12553592).

12880408 is a wasteful number, since it uses less digits than its factorization.

12880408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 12880408 is about 3588.9285309128. The cubic root of 12880408 is about 234.4102186602.

The spelling of 12880408 in words is "twelve million, eight hundred eighty thousand, four hundred eight".