16402712 has 8 divisors (see below), whose sum is σ = 30755100. Its totient is φ = 8201352.

The previous prime is 16402697. The next prime is 16402721. The reversal of 16402712 is 21720461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025162 + ... + 1025177.

Almost surely, 2^16402712 is an apocalyptic number.

It is an amenable number.

16402712 is a deficient number, since it is larger than the sum of its proper divisors (14352388).

16402712 is a wasteful number, since it uses less digits than its factorization.

16402712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050345 (or 2050341 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16402712 is about 4050.0261727549. The cubic root of 16402712 is about 254.0808224414.

The spelling of 16402712 in words is "sixteen million, four hundred two thousand, seven hundred twelve".