13070431 has 16 divisors (see below), whose sum is σ = 14843808. Its totient is φ = 11404800.

The previous prime is 13070419. The next prime is 13070479. The reversal of 13070431 is 13407031.

It is not a de Polignac number, because 13070431 - 2⁷ = 13070303 is a prime.

It is a super-2 number, since 2×13070431² = 341672333051522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13070399 and 13070408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13070411) 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, 32725 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (927738).

Almost surely, 2^13070431 is an apocalyptic number.

13070431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13070431 is a deficient number, since it is larger than the sum of its proper divisors (1773377).

13070431 is a wasteful number, since it uses less digits than its factorization.

13070431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13070431 is about 3615.3051046903. The cubic root of 13070431 is about 235.5573371749.

Adding to 13070431 its reverse (13407031), we get a palindrome (26477462).

The spelling of 13070431 in words is "thirteen million, seventy thousand, four hundred thirty-one".