13748457 has 16 divisors (see below), whose sum is σ = 20136960. Its totient is φ = 8304912.

The previous prime is 13748447. The next prime is 13748459. The reversal of 13748457 is 75484731.

13748457 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13748457 - 2¹¹ = 13746409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13748459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3933 + ... + 6554.

It is an arithmetic number, because the mean of its divisors is an integer number (1258560).

Almost surely, 2^13748457 is an apocalyptic number.

It is an amenable number.

13748457 is a deficient number, since it is larger than the sum of its proper divisors (6388503).

13748457 is a wasteful number, since it uses less digits than its factorization.

13748457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532.

The product of its digits is 94080, while the sum is 39.

The square root of 13748457 is about 3707.8911796330. The cubic root of 13748457 is about 239.5620311108.

The spelling of 13748457 in words is "thirteen million, seven hundred forty-eight thousand, four hundred fifty-seven".