13672131 has 16 divisors (see below), whose sum is σ = 21057408. Its totient is φ = 7798400.

The previous prime is 13672121. The next prime is 13672133. The reversal of 13672131 is 13127631.

13672131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13672131 - 2⁷ = 13672003 is a prime.

It is a super-2 number, since 2×13672131² = 373854332162322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13672133) 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, 11625 + ... + 12746.

It is an arithmetic number, because the mean of its divisors is an integer number (1316088).

Almost surely, 2^13672131 is an apocalyptic number.

13672131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13672131 is a deficient number, since it is larger than the sum of its proper divisors (7385277).

13672131 is a wasteful number, since it uses less digits than its factorization.

13672131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24402.

The product of its digits is 756, while the sum is 24.

The square root of 13672131 is about 3697.5844817935. The cubic root of 13672131 is about 239.1178902879.

Adding to 13672131 its reverse (13127631), we get a palindrome (26799762).

The spelling of 13672131 in words is "thirteen million, six hundred seventy-two thousand, one hundred thirty-one".