13134121 has 16 divisors (see below), whose sum is σ = 17635968. Its totient is φ = 9446400.

The previous prime is 13134113. The next prime is 13134137. The reversal of 13134121 is 12143131.

13134121 = 334² + 335² + ... + 424².

It is a cyclic number.

It is not a de Polignac number, because 13134121 - 2³ = 13134113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13134095 and 13134104.

It is not an unprimeable number, because it can be changed into a prime (13134101) 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, 5560 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (1102248).

Almost surely, 2^13134121 is an apocalyptic number.

13134121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13134121 is a deficient number, since it is larger than the sum of its proper divisors (4501847).

13134121 is a wasteful number, since it uses less digits than its factorization.

13134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13152.

The product of its digits is 72, while the sum is 16.

The square root of 13134121 is about 3624.1027855181. The cubic root of 13134121 is about 235.9393277434.

Adding to 13134121 its reverse (12143131), we get a palindrome (25277252).

The spelling of 13134121 in words is "thirteen million, one hundred thirty-four thousand, one hundred twenty-one".