1229013 has 10 divisors (see below), whose sum is σ = 1836054. Its totient is φ = 819288.

The previous prime is 1228993. The next prime is 1229021. The reversal of 1229013 is 3109221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 23409 = 1098^2 + 153^2 .

It is not a de Polignac number, because 1229013 - 2⁶ = 1228949 is a prime.

1229013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7506 + ... + 7667.

2^1229013 is an apocalyptic number.

It is an amenable number.

1229013 is a deficient number, since it is larger than the sum of its proper divisors (607041).

1229013 is an equidigital number, since it uses as much as digits as its factorization.

1229013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15185 (or 15176 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1229013 is about 1108.6085873743. The cubic root of 1229013 is about 107.1154604238.

The spelling of 1229013 in words is "one million, two hundred twenty-nine thousand, thirteen".