10413921 has 12 divisors (see below), whose sum is σ = 16152432. Its totient is φ = 5950728.

The previous prime is 10413901. The next prime is 10413937. The reversal of 10413921 is 12931401.

10413921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10413921 - 2⁶ = 10413857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10413901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35275 + ... + 35568.

It is an arithmetic number, because the mean of its divisors is an integer number (1346036).

Almost surely, 2^10413921 is an apocalyptic number.

It is an amenable number.

10413921 is a deficient number, since it is larger than the sum of its proper divisors (5738511).

10413921 is an equidigital number, since it uses as much as digits as its factorization.

10413921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70860 (or 70853 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10413921 is about 3227.0607369555. The cubic root of 10413921 is about 218.3759260118.

The spelling of 10413921 in words is "ten million, four hundred thirteen thousand, nine hundred twenty-one".