1250913 has 8 divisors (see below), whose sum is σ = 1706848. Its totient is φ = 814464.

The previous prime is 1250867. The next prime is 1250917. The reversal of 1250913 is 3190521.

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

It is not a de Polignac number, because 1250913 - 2¹⁶ = 1185377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1250913.

It is not an unprimeable number, because it can be changed into a prime (1250917) 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, 4720 + ... + 4977.

It is an arithmetic number, because the mean of its divisors is an integer number (213356).

2^1250913 is an apocalyptic number.

It is an amenable number.

1250913 is a deficient number, since it is larger than the sum of its proper divisors (455935).

1250913 is an equidigital number, since it uses as much as digits as its factorization.

1250913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1250913 is about 1118.4422202331. The cubic root of 1250913 is about 107.7479547705.

The spelling of 1250913 in words is "one million, two hundred fifty thousand, nine hundred thirteen".