1513173212 has 6 divisors (see below), whose sum is σ = 2648053128. Its totient is φ = 756586604.

The previous prime is 1513173203. The next prime is 1513173217. The reversal of 1513173212 is 2123713151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513173217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189146648 + ... + 189146655.

It is an arithmetic number, because the mean of its divisors is an integer number (441342188).

Almost surely, 2^1513173212 is an apocalyptic number.

It is an amenable number.

1513173212 is a deficient number, since it is larger than the sum of its proper divisors (1134879916).

1513173212 is a wasteful number, since it uses less digits than its factorization.

1513173212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378293307 (or 378293305 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 1513173212 is about 38899.5271436556. The cubic root of 1513173212 is about 1148.0554945311.

Adding to 1513173212 its reverse (2123713151), we get a palindrome (3636886363).

The spelling of 1513173212 in words is "one billion, five hundred thirteen million, one hundred seventy-three thousand, two hundred twelve".