13245431 has 16 divisors (see below), whose sum is σ = 14761440. Its totient is φ = 11827200.

The previous prime is 13245409. The next prime is 13245437. The reversal of 13245431 is 13454231.

13245431 = T₅₉₅ + T₅₉₆ + ... + T₆₆₁.

It is a cyclic number.

It is not a de Polignac number, because 13245431 - 2⁶ = 13245367 is a prime.

It is a super-2 number, since 2×13245431² = 350882884751522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13245397 and 13245406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245437) 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, 32831 + ... + 33231.

It is an arithmetic number, because the mean of its divisors is an integer number (922590).

Almost surely, 2^13245431 is an apocalyptic number.

13245431 is a deficient number, since it is larger than the sum of its proper divisors (1516009).

13245431 is a wasteful number, since it uses less digits than its factorization.

13245431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its digits is 1440, while the sum is 23.

The square root of 13245431 is about 3639.4272901104. The cubic root of 13245431 is about 236.6039722403.

Adding to 13245431 its reverse (13454231), we get a palindrome (26699662).

The spelling of 13245431 in words is "thirteen million, two hundred forty-five thousand, four hundred thirty-one".