1203362013 has 16 divisors (see below), whose sum is σ = 1878420096. Its totient is φ = 670863360.

The previous prime is 1203361997. The next prime is 1203362101. The reversal of 1203362013 is 3102633021.

It is not a de Polignac number, because 1203362013 - 2⁴ = 1203361997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203362213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697956 + ... + 699677.

It is an arithmetic number, because the mean of its divisors is an integer number (117401256).

Almost surely, 2^1203362013 is an apocalyptic number.

It is an amenable number.

1203362013 is a deficient number, since it is larger than the sum of its proper divisors (675058083).

1203362013 is a wasteful number, since it uses less digits than its factorization.

1203362013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397684.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1203362013 is about 34689.5086877863. The cubic root of 1203362013 is about 1063.6500526871.

Adding to 1203362013 its reverse (3102633021), we get a palindrome (4305995034).

The spelling of 1203362013 in words is "one billion, two hundred three million, three hundred sixty-two thousand, thirteen".