1227513013 has 8 divisors (see below), whose sum is σ = 1290235968. Its totient is φ = 1165569504.

The previous prime is 1227512987. The next prime is 1227513029. The reversal of 1227513013 is 3103157221.

It is a happy number.

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 1227513013 - 2¹⁷ = 1227381941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227516013) 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, 191631 + ... + 197932.

It is an arithmetic number, because the mean of its divisors is an integer number (161279496).

Almost surely, 2^1227513013 is an apocalyptic number.

It is an amenable number.

1227513013 is a deficient number, since it is larger than the sum of its proper divisors (62722955).

1227513013 is a wasteful number, since it uses less digits than its factorization.

1227513013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389723.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1227513013 is about 35035.8817928135. The cubic root of 1227513013 is about 1070.7186522226.

The spelling of 1227513013 in words is "one billion, two hundred twenty-seven million, five hundred thirteen thousand, thirteen".