13135212 has 36 divisors (see below), whose sum is σ = 33336576. Its totient is φ = 4360800.

The previous prime is 13135207. The next prime is 13135217. The reversal of 13135212 is 21253131.

13135212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13135207) and next prime (13135217).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13135217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10837 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (926016).

Almost surely, 2^13135212 is an apocalyptic number.

13135212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13135212 is an abundant number, since it is smaller than the sum of its proper divisors (20201364).

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

13135212 is a wasteful number, since it uses less digits than its factorization.

13135212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1473 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 13135212 is about 3624.2533024059. The cubic root of 13135212 is about 235.9458604145.

Adding to 13135212 its reverse (21253131), we get a palindrome (34388343).

The spelling of 13135212 in words is "thirteen million, one hundred thirty-five thousand, two hundred twelve".