1399553912 has 16 divisors (see below), whose sum is σ = 2634622200. Its totient is φ = 696988000.

The previous prime is 1399553899. The next prime is 1399553959. The reversal of 1399553912 is 2193559931.

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, 346487 + ... + 350502.

Almost surely, 2^1399553912 is an apocalyptic number.

It is an amenable number.

1399553912 is a deficient number, since it is larger than the sum of its proper divisors (1235068288).

1399553912 is a wasteful number, since it uses less digits than its factorization.

1399553912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697246 (or 697242 counting only the distinct ones).

The product of its digits is 328050, while the sum is 47.

The square root of 1399553912 is about 37410.6122911668. The cubic root of 1399553912 is about 1118.5701119087.

The spelling of 1399553912 in words is "one billion, three hundred ninety-nine million, five hundred fifty-three thousand, nine hundred twelve".