13776994 has 32 divisors (see below), whose sum is σ = 25992576. Its totient is φ = 5320320.

The previous prime is 13776949. The next prime is 13777003. The reversal of 13776994 is 49967731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20772 + ... + 21424.

It is an arithmetic number, because the mean of its divisors is an integer number (812268).

Almost surely, 2^13776994 is an apocalyptic number.

13776994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13776994 is a deficient number, since it is larger than the sum of its proper divisors (12215582).

13776994 is a wasteful number, since it uses less digits than its factorization.

13776994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its digits is 285768, while the sum is 46.

The square root of 13776994 is about 3711.7373290684. The cubic root of 13776994 is about 239.7276656289.

The spelling of 13776994 in words is "thirteen million, seven hundred seventy-six thousand, nine hundred ninety-four".