13245021234 has 16 divisors (see below), whose sum is σ = 29433380640. Its totient is φ = 4415007060.

The previous prime is 13245021211. The next prime is 13245021269. The reversal of 13245021234 is 43212054231.

13245021234 is a `hidden beast` number, since 1 + 32 + 4 + 502 + 123 + 4 = 666.

It is a super-2 number, since 2×13245021234² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13245021198 and 13245021207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122639032 + ... + 122639139.

It is an arithmetic number, because the mean of its divisors is an integer number (1839586290).

Almost surely, 2^13245021234 is an apocalyptic number.

13245021234 is an abundant number, since it is smaller than the sum of its proper divisors (16188359406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13245021234 is a wasteful number, since it uses less digits than its factorization.

13245021234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245278182 (or 245278176 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13245021234 its reverse (43212054231), we get a palindrome (56457075465).

The spelling of 13245021234 in words is "thirteen billion, two hundred forty-five million, twenty-one thousand, two hundred thirty-four".