13135850 has 48 divisors (see below), whose sum is σ = 30081408. Its totient is φ = 4155840.

The previous prime is 13135823. The next prime is 13135861. The reversal of 13135850 is 5853131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3107 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (626696).

Almost surely, 2^13135850 is an apocalyptic number.

13135850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13135850 is an abundant number, since it is smaller than the sum of its proper divisors (16945558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13135850 is a wasteful number, since it uses less digits than its factorization.

13135850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919 (or 2914 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 13135850 is about 3624.3413194676. The cubic root of 13135850 is about 235.9496804524.

Adding to 13135850 its reverse (5853131), we get a palindrome (18988981).

The spelling of 13135850 in words is "thirteen million, one hundred thirty-five thousand, eight hundred fifty".