13780412 has 12 divisors (see below), whose sum is σ = 24160920. Its totient is φ = 6877296.

The previous prime is 13780397. The next prime is 13780433. The reversal of 13780412 is 21408731.

13780412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (2013410).

Almost surely, 2^13780412 is an apocalyptic number.

It is an amenable number.

13780412 is a deficient number, since it is larger than the sum of its proper divisors (10380508).

13780412 is a wasteful number, since it uses less digits than its factorization.

13780412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6460 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 13780412 is about 3712.1977318026. The cubic root of 13780412 is about 239.7474890487.

The spelling of 13780412 in words is "thirteen million, seven hundred eighty thousand, four hundred twelve".