10621144 has 16 divisors (see below), whose sum is σ = 20028600. Its totient is φ = 5280192.

The previous prime is 10621139. The next prime is 10621153. The reversal of 10621144 is 44112601.

It is a super-2 number, since 2×10621144² = 225617399737472, which contains 22 as substring.

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, 2277 + ... + 5140.

Almost surely, 2^10621144 is an apocalyptic number.

It is an amenable number.

10621144 is a deficient number, since it is larger than the sum of its proper divisors (9407456).

10621144 is a wasteful number, since it uses less digits than its factorization.

10621144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602 (or 7598 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 10621144 is about 3259.0096655272. The cubic root of 10621144 is about 219.8148856054.

Adding to 10621144 its reverse (44112601), we get a palindrome (54733745).

The spelling of 10621144 in words is "ten million, six hundred twenty-one thousand, one hundred forty-four".