3120247 has 12 divisors (see below), whose sum is σ = 3477000. Its totient is φ = 2796768.

The previous prime is 3120233. The next prime is 3120253. The reversal of 3120247 is 7420213.

It is not a de Polignac number, because 3120247 - 2¹⁵ = 3087479 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120217) 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, 6004 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (289750).

Almost surely, 2^3120247 is an apocalyptic number.

3120247 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3120247 is a deficient number, since it is larger than the sum of its proper divisors (356753).

3120247 is a wasteful number, since it uses less digits than its factorization.

3120247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 3120247 is about 1766.4220899887. The cubic root of 3120247 is about 146.1267273997.

The spelling of 3120247 in words is "three million, one hundred twenty thousand, two hundred forty-seven".