13777494 has 16 divisors (see below), whose sum is σ = 28505520. Its totient is φ = 4434080.

The previous prime is 13777493. The next prime is 13777499. The reversal of 13777494 is 49477731.

13777494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13777493) 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, 39417 + ... + 39764.

It is an arithmetic number, because the mean of its divisors is an integer number (1781595).

Almost surely, 2^13777494 is an apocalyptic number.

13777494 is an abundant number, since it is smaller than the sum of its proper divisors (14728026).

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

13777494 is a wasteful number, since it uses less digits than its factorization.

13777494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79215.

The product of its digits is 148176, while the sum is 42.

The square root of 13777494 is about 3711.8046823614. The cubic root of 13777494 is about 239.7305656902.

The spelling of 13777494 in words is "thirteen million, seven hundred seventy-seven thousand, four hundred ninety-four".