13242771 has 12 divisors (see below), whose sum is σ = 19837272. Its totient is φ = 8828352.

The previous prime is 13242769. The next prime is 13242773. The reversal of 13242771 is 17724231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13242769) and next prime (13242773).

It is not a de Polignac number, because 13242771 - 2¹ = 13242769 is a prime.

It is a super-3 number, since 3×13242771³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13242773) 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, 27006 + ... + 27491.

It is an arithmetic number, because the mean of its divisors is an integer number (1653106).

Almost surely, 2^13242771 is an apocalyptic number.

13242771 is a deficient number, since it is larger than the sum of its proper divisors (6594501).

13242771 is an frugal number, since it uses more digits than its factorization.

13242771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54512 (or 54500 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 13242771 is about 3639.0618296479. The cubic root of 13242771 is about 236.5881325972.

It can be divided in two parts, 1324 and 2771, that added together give a triangular number (4095 = T₉₀).

The spelling of 13242771 in words is "thirteen million, two hundred forty-two thousand, seven hundred seventy-one".