29426213 has 4 divisors (see below), whose sum is σ = 30440940. Its totient is φ = 28411488.

The previous prime is 29426209. The next prime is 29426251. The reversal of 29426213 is 31262492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10355524 + 19070689 = 3218^2 + 4367^2 .

It is a cyclic number.

It is not a de Polignac number, because 29426213 - 2² = 29426209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 1014697 = 29426213 / (2 + 9 + 4 + 2 + 6 + 2 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29426413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507320 + ... + 507377.

It is an arithmetic number, because the mean of its divisors is an integer number (7610235).

Almost surely, 2^29426213 is an apocalyptic number.

It is an amenable number.

29426213 is a deficient number, since it is larger than the sum of its proper divisors (1014727).

29426213 is a wasteful number, since it uses less digits than its factorization.

29426213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014726.

The product of its digits is 5184, while the sum is 29.

The square root of 29426213 is about 5424.5933488143. The cubic root of 29426213 is about 308.7294965814.

The spelling of 29426213 in words is "twenty-nine million, four hundred twenty-six thousand, two hundred thirteen".