10603621 has 16 divisors (see below), whose sum is σ = 12847104. Its totient is φ = 8555184.

The previous prime is 10603603. The next prime is 10603651. The reversal of 10603621 is 12630601.

It is a cyclic number.

It is not a de Polignac number, because 10603621 - 2⁷ = 10603493 is a prime.

It is a super-2 number, since 2×10603621² = 224873556623282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10603601) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 10296 + ... + 11278.

It is an arithmetic number, because the mean of its divisors is an integer number (802944).

Almost surely, 2^10603621 is an apocalyptic number.

It is an amenable number.

10603621 is a deficient number, since it is larger than the sum of its proper divisors (2243483).

10603621 is an equidigital number, since it uses as much as digits as its factorization.

10603621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10603621 is about 3256.3201623919. The cubic root of 10603621 is about 219.6939338995.

The spelling of 10603621 in words is "ten million, six hundred three thousand, six hundred twenty-one".