612407 has 2 divisors, whose sum is σ = 612408. Its totient is φ = 612406.

The previous prime is 612401. The next prime is 612439. The reversal of 612407 is 704216.

612407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306203 + 306204.

It is an arithmetic number, because the mean of its divisors is an integer number (306204).

2⁶¹²⁴⁰⁷ is an apocalyptic number.

612407 is a deficient number, since it is larger than the sum of its proper divisors (1).

612407 is an equidigital number, since it uses as much as digits as its factorization.

612407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 612407 is about 782.5643743488. The cubic root of 612407 is about 84.9206641515.

Subtracting 612407 from its reverse (704216), we obtain a square (91809 = 303²).

The spelling of 612407 in words is "six hundred twelve thousand, four hundred seven".