16253012 has 12 divisors (see below), whose sum is σ = 28832916. Its totient is φ = 8015040.

The previous prime is 16253009. The next prime is 16253047. The reversal of 16253012 is 21035261.

It can be written as a sum of positive squares in 2 ways, for example, as 6791236 + 9461776 = 2606^2 + 3076^2 .

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, 27539 + ... + 28122.

It is an arithmetic number, because the mean of its divisors is an integer number (2402743).

Almost surely, 2^16253012 is an apocalyptic number.

It is an amenable number.

16253012 is a deficient number, since it is larger than the sum of its proper divisors (12579904).

16253012 is a wasteful number, since it uses less digits than its factorization.

16253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55738 (or 55736 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 16253012 is about 4031.5024494598. The cubic root of 16253012 is about 253.3054994043.

Adding to 16253012 its reverse (21035261), we get a palindrome (37288273).

The spelling of 16253012 in words is "sixteen million, two hundred fifty-three thousand, twelve".