44001213 has 8 divisors (see below), whose sum is σ = 58858176. Its totient is φ = 29239200.

The previous prime is 44001211. The next prime is 44001233. The reversal of 44001213 is 31210044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44001213 - 2¹ = 44001211 is a prime.

It is a super-2 number, since 2×44001213² = 3872213490942738, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44001192 and 44001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22648 + ... + 24513.

It is an arithmetic number, because the mean of its divisors is an integer number (7357272).

Almost surely, 2^44001213 is an apocalyptic number.

It is an amenable number.

44001213 is a deficient number, since it is larger than the sum of its proper divisors (14856963).

44001213 is a wasteful number, since it uses less digits than its factorization.

44001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47475.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 44001213 is about 6633.3410133959. The cubic root of 44001213 is about 353.0380776790.

Adding to 44001213 its reverse (31210044), we get a palindrome (75211257).

The spelling of 44001213 in words is "forty-four million, one thousand, two hundred thirteen".