1371698812 has 12 divisors (see below), whose sum is σ = 2618697816. Its totient is φ = 623499440.

The previous prime is 1371698803. The next prime is 1371698813. The reversal of 1371698812 is 2188961731.

It is a happy number.

It is a super-2 number, since 2×1371698812² = 3763115261684422688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371698813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15587443 + ... + 15587530.

It is an arithmetic number, because the mean of its divisors is an integer number (218224818).

Almost surely, 2^1371698812 is an apocalyptic number.

It is an amenable number.

1371698812 is a deficient number, since it is larger than the sum of its proper divisors (1246999004).

1371698812 is a wasteful number, since it uses less digits than its factorization.

1371698812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31174988 (or 31174986 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 1371698812 is about 37036.4524759054. The cubic root of 1371698812 is about 1111.0994198577.

The spelling of 1371698812 in words is "one billion, three hundred seventy-one million, six hundred ninety-eight thousand, eight hundred twelve".