10621420 has 12 divisors (see below), whose sum is σ = 22305024. Its totient is φ = 4248560.

The previous prime is 10621411. The next prime is 10621439. The reversal of 10621420 is 2412601.

It is a super-2 number, since 2×10621420² = 225629125632800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10621394 and 10621403.

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, 265516 + ... + 265555.

It is an arithmetic number, because the mean of its divisors is an integer number (1858752).

Almost surely, 2^10621420 is an apocalyptic number.

10621420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10621420 is an abundant number, since it is smaller than the sum of its proper divisors (11683604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621420 is a wasteful number, since it uses less digits than its factorization.

10621420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531080 (or 531078 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10621420 is about 3259.0520094040. The cubic root of 10621420 is about 219.8167896182.

The spelling of 10621420 in words is "ten million, six hundred twenty-one thousand, four hundred twenty".