29161312 has 12 divisors (see below), whose sum is σ = 57411396. Its totient is φ = 14580640.

The previous prime is 29161283. The next prime is 29161313. The reversal of 29161312 is 21316192.

It is a super-2 number, since 2×29161312² = 1700764235122688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29161313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455614 + ... + 455677.

It is an arithmetic number, because the mean of its divisors is an integer number (4784283).

Almost surely, 2^29161312 is an apocalyptic number.

It is an amenable number.

29161312 is a deficient number, since it is larger than the sum of its proper divisors (28250084).

29161312 is an equidigital number, since it uses as much as digits as its factorization.

29161312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911301 (or 911293 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 29161312 is about 5400.1214801151. The cubic root of 29161312 is about 307.8002865639.

The spelling of 29161312 in words is "twenty-nine million, one hundred sixty-one thousand, three hundred twelve".