13702212 has 36 divisors (see below), whose sum is σ = 34794396. Its totient is φ = 4546560.

The previous prime is 13702177. The next prime is 13702229. The reversal of 13702212 is 21220731.

It can be written as a sum of positive squares in 2 ways, for example, as 10653696 + 3048516 = 3264^2 + 1746^2 .

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

It is a super-2 number, since 2×13702212² = 375501227385888, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8512 + ... + 9992.

It is an arithmetic number, because the mean of its divisors is an integer number (966511).

Almost surely, 2^13702212 is an apocalyptic number.

13702212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13702212 is an abundant number, since it is smaller than the sum of its proper divisors (21092184).

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

13702212 is a wasteful number, since it uses less digits than its factorization.

13702212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13702212 is about 3701.6499024084. The cubic root of 13702212 is about 239.2931284297.

Adding to 13702212 its reverse (21220731), we get a palindrome (34922943).

The spelling of 13702212 in words is "thirteen million, seven hundred two thousand, two hundred twelve".