13901478 has 24 divisors (see below), whose sum is σ = 29538312. Its totient is φ = 4360704.

The previous prime is 13901477. The next prime is 13901497. The reversal of 13901478 is 87410931.

13901478 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 not an unprimeable number, because it can be changed into a prime (13901477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2275 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (1230763).

Almost surely, 2^13901478 is an apocalyptic number.

13901478 is an abundant number, since it is smaller than the sum of its proper divisors (15636834).

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

13901478 is a wasteful number, since it uses less digits than its factorization.

13901478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056 (or 8039 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 13901478 is about 3728.4685864306. The cubic root of 13901478 is about 240.4475330127.

The spelling of 13901478 in words is "thirteen million, nine hundred one thousand, four hundred seventy-eight".