7213965 has 16 divisors (see below), whose sum is σ = 12591936. Its totient is φ = 3497600.

The previous prime is 7213937. The next prime is 7214023. The reversal of 7213965 is 5693127.

7213965 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7213965 - 2⁸ = 7213709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21696 + ... + 22025.

It is an arithmetic number, because the mean of its divisors is an integer number (786996).

Almost surely, 2^7213965 is an apocalyptic number.

It is an amenable number.

7213965 is a deficient number, since it is larger than the sum of its proper divisors (5377971).

7213965 is a wasteful number, since it uses less digits than its factorization.

7213965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43740.

The product of its digits is 11340, while the sum is 33.

The square root of 7213965 is about 2685.8825365231. The cubic root of 7213965 is about 193.2226394347. Note that the first 3 decimals are identical.

The spelling of 7213965 in words is "seven million, two hundred thirteen thousand, nine hundred sixty-five".