13413381 has 16 divisors (see below), whose sum is σ = 18310656. Its totient is φ = 8732016.

The previous prime is 13413371. The next prime is 13413383. The reversal of 13413381 is 18331431.

It is not a de Polignac number, because 13413381 - 2⁵ = 13413349 is a prime.

It is a super-2 number, since 2×13413381² = 359837579702322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413383) 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, 25386 + ... + 25908.

It is an arithmetic number, because the mean of its divisors is an integer number (1144416).

Almost surely, 2^13413381 is an apocalyptic number.

It is an amenable number.

13413381 is a deficient number, since it is larger than the sum of its proper divisors (4897275).

13413381 is a wasteful number, since it uses less digits than its factorization.

13413381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its digits is 864, while the sum is 24.

The square root of 13413381 is about 3662.4282928134. The cubic root of 13413381 is about 237.5998088345.

The spelling of 13413381 in words is "thirteen million, four hundred thirteen thousand, three hundred eighty-one".