1226007613 has 4 divisors (see below), whose sum is σ = 1228096800. Its totient is φ = 1223918428.

The previous prime is 1226007593. The next prime is 1226007631. The reversal of 1226007613 is 3167006221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3167006221 = 31 ⋅102161491.

It is a cyclic number.

It is not a de Polignac number, because 1226007613 - 2¹⁷ = 1225876541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226007113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043713 + ... + 1044886.

It is an arithmetic number, because the mean of its divisors is an integer number (307024200).

Almost surely, 2^1226007613 is an apocalyptic number.

It is an amenable number.

1226007613 is a deficient number, since it is larger than the sum of its proper divisors (2089187).

1226007613 is an equidigital number, since it uses as much as digits as its factorization.

1226007613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089186.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1226007613 is about 35014.3915126338. The cubic root of 1226007613 is about 1070.2807697698.

The spelling of 1226007613 in words is "one billion, two hundred twenty-six million, seven thousand, six hundred thirteen".