1249013 has 2 divisors, whose sum is σ = 1249014. Its totient is φ = 1249012.

The previous prime is 1248991. The next prime is 1249019. The reversal of 1249013 is 3109421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 253009 = 998^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1249013 - 2⁸ = 1248757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624506 + 624507.

It is an arithmetic number, because the mean of its divisors is an integer number (624507).

2^1249013 is an apocalyptic number.

It is an amenable number.

1249013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249013 is an equidigital number, since it uses as much as digits as its factorization.

1249013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1249013 is about 1117.5925017644. The cubic root of 1249013 is about 107.6933746755.

The spelling of 1249013 in words is "one million, two hundred forty-nine thousand, thirteen".