10613505 has 16 divisors (see below), whose sum is σ = 19407744. Its totient is φ = 4851840.

The previous prime is 10613503. The next prime is 10613513. The reversal of 10613505 is 50531601.

It is a happy number.

It is not a de Polignac number, because 10613505 - 2¹ = 10613503 is a prime.

It is a super-2 number, since 2×10613505² = 225292976770050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10613503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50436 + ... + 50645.

It is an arithmetic number, because the mean of its divisors is an integer number (1212984).

Almost surely, 2^10613505 is an apocalyptic number.

10613505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10613505 is a deficient number, since it is larger than the sum of its proper divisors (8794239).

10613505 is a wasteful number, since it uses less digits than its factorization.

10613505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101096.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 10613505 is about 3257.8374729259. The cubic root of 10613505 is about 219.7621741260.

The spelling of 10613505 in words is "ten million, six hundred thirteen thousand, five hundred five".