1345012304 has 20 divisors (see below), whose sum is σ = 2611556064. Its totient is φ = 671062368.

The previous prime is 1345012247. The next prime is 1345012343. The reversal of 1345012304 is 4032105431.

It is a super-2 number, since 2×1345012304² = 3618116195822776832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1345012304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82532 + ... + 97475.

Almost surely, 2^1345012304 is an apocalyptic number.

It is an amenable number.

1345012304 is a deficient number, since it is larger than the sum of its proper divisors (1266543760).

1345012304 is a wasteful number, since it uses less digits than its factorization.

1345012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180482 (or 180476 counting only the distinct ones).

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

The square root of 1345012304 is about 36674.4093885641. The cubic root of 1345012304 is about 1103.8466714526.

Adding to 1345012304 its reverse (4032105431), we get a palindrome (5377117735).

The spelling of 1345012304 in words is "one billion, three hundred forty-five million, twelve thousand, three hundred four".