13457798 has 16 divisors (see below), whose sum is σ = 20975760. Its totient is φ = 6468000.

The previous prime is 13457767. The next prime is 13457831. The reversal of 13457798 is 89775431.

13457798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13457798² = 362224654017608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 18848 + ... + 19548.

It is an arithmetic number, because the mean of its divisors is an integer number (1310985).

Almost surely, 2^13457798 is an apocalyptic number.

13457798 is a deficient number, since it is larger than the sum of its proper divisors (7517962).

13457798 is a wasteful number, since it uses less digits than its factorization.

13457798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its digits is 211680, while the sum is 44.

The square root of 13457798 is about 3668.4871541277. The cubic root of 13457798 is about 237.8617821379.

The spelling of 13457798 in words is "thirteen million, four hundred fifty-seven thousand, seven hundred ninety-eight".