1245913 has 8 divisors (see below), whose sum is σ = 1336608. Its totient is φ = 1157184.

The previous prime is 1245883. The next prime is 1245917. The reversal of 1245913 is 3195421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1245913 - 2⁹ = 1245401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970 + ... + 1852.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2^1245913 is an apocalyptic number.

It is an amenable number.

1245913 is a deficient number, since it is larger than the sum of its proper divisors (90695).

1245913 is an equidigital number, since it uses as much as digits as its factorization.

1245913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its digits is 1080, while the sum is 25.

The square root of 1245913 is about 1116.2047303250. The cubic root of 1245913 is about 107.6042039881.

The spelling of 1245913 in words is "one million, two hundred forty-five thousand, nine hundred thirteen".