39120213 has 32 divisors (see below), whose sum is σ = 60808320. Its totient is φ = 22108160.

The previous prime is 39120203. The next prime is 39120253. The reversal of 39120213 is 31202193.

It is a happy number.

It is not a de Polignac number, because 39120213 - 2⁶ = 39120149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39120213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39120203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76603 + ... + 77111.

It is an arithmetic number, because the mean of its divisors is an integer number (1900260).

Almost surely, 2^39120213 is an apocalyptic number.

39120213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39120213 is a deficient number, since it is larger than the sum of its proper divisors (21688107).

39120213 is a wasteful number, since it uses less digits than its factorization.

39120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 39120213 is about 6254.6153358940. The cubic root of 39120213 is about 339.4692208434.

The spelling of 39120213 in words is "thirty-nine million, one hundred twenty thousand, two hundred thirteen".