13771340 has 24 divisors (see below), whose sum is σ = 31549392. Its totient is φ = 5007680.

The previous prime is 13771339. The next prime is 13771369. The reversal of 13771340 is 4317731.

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, 31079 + ... + 31518.

It is an arithmetic number, because the mean of its divisors is an integer number (1314558).

Almost surely, 2^13771340 is an apocalyptic number.

13771340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13771340 is an abundant number, since it is smaller than the sum of its proper divisors (17778052).

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

13771340 is a wasteful number, since it uses less digits than its factorization.

13771340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62617 (or 62615 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 13771340 is about 3710.9756129622. The cubic root of 13771340 is about 239.6948668514.

The spelling of 13771340 in words is "thirteen million, seven hundred seventy-one thousand, three hundred forty".