13001992 has 16 divisors (see below), whose sum is σ = 25439040. Its totient is φ = 6218256.

The previous prime is 13001981. The next prime is 13001993. The reversal of 13001992 is 29910031.

It is not an unprimeable number, because it can be changed into a prime (13001993) 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, 35148 + ... + 35515.

It is an arithmetic number, because the mean of its divisors is an integer number (1589940).

Almost surely, 2^13001992 is an apocalyptic number.

It is an amenable number.

13001992 is a deficient number, since it is larger than the sum of its proper divisors (12437048).

13001992 is a wasteful number, since it uses less digits than its factorization.

13001992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70692 (or 70688 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 13001992 is about 3605.8275055804. The cubic root of 13001992 is about 235.1454780528.

The spelling of 13001992 in words is "thirteen million, one thousand, nine hundred ninety-two".